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Chiral effects in astrophysics and cosmology

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arxiv 2207.09184 v2 pith:NQ3DAGJW submitted 2022-07-19 astro-ph.CO astro-ph.HEgr-qchep-phnucl-th

Chiral effects in astrophysics and cosmology

classification astro-ph.CO astro-ph.HEgr-qchep-phnucl-th
keywords chiraleffectsastrophysicscosmologymagnetictheoryanomalybaryogenesis
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The microscopic quantum nature of elementary particles, chirality, leads to macroscopic phenomena like the chiral anomaly, chiral magnetic effect, and chiral plasma instability. We review recent progress of the studies of these chiral effects in high-energy astrophysics, such as pulsar kicks, magnetars, and core-collapse supernovae, and early Universe cosmology, such as the primordial magnetic field, baryogenesis, and chiral gravitational waves. We also provide a pedagogical introduction to the chiral effects and low-energy effective theories to describe them in and out of equilibrium -- the chiral (magneto)hydrodynamics, chiral kinetic theory, and chiral radiation transport theory for neutrinos.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Anomaly Realization in Charge-Flux Detector Correlators

    hep-ph 2026-07 conditional novelty 7.0

    Axial anomalies realize in flux detectors as massless-limit collapse of angular distributions onto beam-collinear deltas while preserving the integrated anomaly sum rule, with the same mechanism for zilch and mixed gr...

  2. Quantum Metric Corrections to Liouville's Theorem and Chiral Kinetic Theory

    hep-th 2025-09 unverdicted novelty 6.0

    Quantum metric induces O(ħ²) corrections to phase-space density of states, modifying Liouville's theorem and providing a nonlinear chiral kinetic theory consistent with QFT for chiral fermions in inhomogeneous fields.

  3. Chiral Plasma under Strong Magnetic Fields: A Holographic Analysis of Transport Phenomena

    hep-th 2026-06 unverdicted novelty 5.0

    Holographic U(1)V x U(1)A Maxwell-Chern-Simons theory in Schwarzschild-AdS5 yields thirteen momentum- and B-field-dependent transport coefficient functions for chiral plasma currents, applied to negative magnetoresist...

  4. Plasma heating during the chiral plasma instability

    hep-ph 2026-05 unverdicted novelty 5.0

    During chiral plasma instability, excess energy from chiral asymmetry heats the plasma with δT ~ μ5²/T instead of fully building the helical magnetic field.